Which of the following is a conventional source of energy?
All Of These
Explanation for the correct option
D. All Of These
The explanation of incorrect options:
A. LPG, Petrol, and CNG are all conventional sources of energy.
B Diesel and electricity are also conventional sources of energy.
C. Wood, Dung Cakes, Coal, and Kerosene are all conventional sources of energy.
Hence, the correct option is D.